CN112303547A - Traffic signal lamp pole convenient to height-adjusting anticollision - Google Patents
Traffic signal lamp pole convenient to height-adjusting anticollision Download PDFInfo
- Publication number
- CN112303547A CN112303547A CN201910691726.7A CN201910691726A CN112303547A CN 112303547 A CN112303547 A CN 112303547A CN 201910691726 A CN201910691726 A CN 201910691726A CN 112303547 A CN112303547 A CN 112303547A
- Authority
- CN
- China
- Prior art keywords
- wall
- collision
- sleeve
- stand column
- traffic signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000003139 buffering effect Effects 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 3
- 230000002265 prevention Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/04—Resilient mountings, e.g. shock absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a traffic signal lamp post convenient for height adjustment and collision avoidance in the technical field of traffic signal lamp posts, which comprises an installation seat, wherein a connecting sleeve is sleeved on the outer wall of a stand column in a sliding manner, the other end of a buffer component is connected with the outer wall of the connecting sleeve, four groups of screws are annularly arrayed on the outer wall of the periphery of the stand column, the opposite ends of the four groups of screws extend to the inner cavity of the stand column to be connected with an installation plate, a motor is started to drive a screw rod to rotate, the screw rod rotates to enable the lamp box installation frame to lift under the limitation of a chute and a slot, so that a maintenance worker can conveniently install and disassemble a lamp box, when the collision avoidance sleeve is impacted, two groups of elastic bows are compressed, the elastic force generated by the deformation of the elastic bows weakens part of impact force, the two groups of movable blocks on the upper side and, the elastic force generated by the deformation of the spring further weakens the component force in the vertical direction, and the anti-collision effect is achieved.
Description
Technical Field
The invention relates to the technical field of traffic signal lamp posts, in particular to a traffic signal lamp post convenient for height adjustment and collision prevention.
Background
In recent years, economy is continuously increasing, urbanization and motorization are rapidly developing, automobiles become transportation tools for people to go out, the number of automobiles is rapidly increasing, traffic pressure is greatly increased, traffic lights are basic languages of road traffic, the current traffic lights are arranged on the roadside, accidents that the traffic lights are damaged when the automobiles collide with the traffic lights occur, the traffic order can be seriously influenced by the damage of the traffic lights, the existing traffic lights are arranged at high positions to be convenient for overhauling and installing, and therefore the traffic light lamp pole convenient for adjusting height and preventing collision is provided.
Disclosure of Invention
The invention aims to provide a traffic signal lamp post convenient for adjusting height and preventing collision so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a traffic signal lamp post convenient for height adjustment and collision prevention comprises a mounting seat, wherein an annular groove is formed in the center of the outer wall of the top of the mounting seat, a collision-prevention sleeve is connected in the annular groove in a sliding manner, a buffer assembly is arranged on the annular array of the inner wall of the periphery of the collision-prevention sleeve, a stand column is connected to the center of the outer wall of the top of the mounting seat through screwing screws, the stand column is positioned on the inner side of the collision-prevention sleeve, a connecting sleeve is sleeved on the outer wall of the stand column in a sliding manner, the other end of the buffer assembly is connected with the outer wall of the connecting sleeve, four groups of screws are arranged on the annular array of the outer wall of the periphery of the stand column, one opposite ends of the four groups of screws extend to the inner cavity of, the stand right side inner wall is provided with the spout, sliding connection has the lamp house mounting bracket in the spout, lamp house mounting bracket left end extends to stand left side outer wall, just stand left side outer wall is provided with the fluting with lamp house mounting bracket matched with, the buffering subassembly includes the upper and lower two sets of mounting grooves that adapter sleeve outer wall and anticollision sleeve inner wall set up, mounting groove top and bottom inner wall all are provided with the activity groove, and two sets of activity inslot joint has the slide bar, the slide bar outer wall has cup jointed a set of movable block and two sets of springs, and is two sets of the spring is located the upper and lower both ends of movable block, and is two sets of upper and lower homonymy connect through the elasticity bow between the movable block, just the segmental arc of elasticity bow extends to the mounting.
Furthermore, the outer wall annular array around the anticollision sleeve is provided with the recess, the joint has the buffering sand grip in the recess, just the part that the anticollision sleeve outer wall is located two sets of between the recess is provided with the slot, and the joint has LED lamp area in the slot.
Furthermore, two sets of the center fixedly connected with spring telescopic link of the outer wall of one side that the elasticity bow carried on the back mutually, two sets of the other end of spring telescopic link with respectively with connecting sleeve outer wall and crashproof sleeve inner wall articulated, the spring telescopic link is located between two sets of mounting grooves of homonymy from top to bottom.
Further, lamp house mounting bracket top outer wall left side is provided with two sets of auxiliary rods around, auxiliary rod top fixedly connected with slider, both ends all are provided with the movable groove around the stand left side outer wall, and movable groove and slider sliding connection.
Further, the buffering sand grip is the elastic rubber piece that the cross-section is the T type, just the cross-sectional width that the buffering sand grip extends to crashproof sleeve outer wall one end is greater than the width of recess.
Furthermore, four corners of the outer wall of the top of the mounting seat are provided with mounting holes.
Compared with the prior art, the invention has the beneficial effects that: the motor is started to drive the screw rod to rotate, the screw rod rotates to enable the lamp box mounting frame to ascend and descend under the limitation of the sliding groove and the open groove, so that maintenance personnel can conveniently mount and dismount the lamp box, when the vehicle hits the side edge of the anti-collision sleeve, the anti-collision sleeve can deform and rotate so as to weaken the impact force of the vehicle on the anti-collision sleeve, when the anti-collision sleeve is impacted, the two groups of elastic bows are compressed, the elastic force generated by the deformation of the elastic bows weakens part of the impact force, and the elastic bow is compressed to enable the two groups of movable blocks at the upper and lower same sides to slide on the outer wall of the sliding rod, so as to decompose the impact force into component force in the vertical direction, the movable block compresses the spring when sliding, the elastic force generated by the deformation of the spring further weakens the component force in the vertical direction to achieve the anti-collision effect, the mounting groove limits the rotary displacement of the elastic bow, therefore, the elastic bow can move along with the rotation of the anti-collision sleeve when the side edge of the anti-collision sleeve is impacted, and part of impact force applied to the anti-collision sleeve is decomposed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the anti-collision sleeve and the buffering ribs according to the present invention;
FIG. 3 is a schematic view of the connection between the connecting sleeve and the sliding rod according to the present invention.
In the figure: 1. a mounting seat; 2. an anti-collision sleeve; 3. a column; 4. a buffer assembly; 5. mounting a plate; 6. a motor; 7. a screw; 8. a chute; 9. a lamp box mounting rack; 10. an auxiliary lever; 11. a slider; 12. mounting grooves; 13. a slide bar; 14. a movable block; 15. a spring; 16. an elastic bow; 17. a spring telescopic rod; 18. a groove; 19. buffering the convex strips; 20. an LED light strip; 21. and connecting the sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a traffic light pole convenient for height adjustment and anti-collision, which has the advantage of protecting the pole, please refer to figure 1, and comprises a mounting seat 1, wherein an annular groove is arranged at the center of the outer wall of the top of the mounting seat 1, an anti-collision sleeve 2 is connected in the annular groove in a sliding manner, the anti-collision sleeve 2 is connected with the mounting seat 1 in a rotating manner, when a vehicle hits the side edge of the anti-collision sleeve 2, the anti-collision sleeve 2 can deform and rotate so as to weaken the collision force of the vehicle on the anti-collision sleeve 2, buffer components 4 are arranged on the annular array of the inner wall of the periphery of the anti-collision sleeve 2, the center of the outer wall of the top of the mounting seat 1 is connected with a stand column 3 through screwing screws, the stand column 3 is positioned at the inner side of the anti-collision sleeve 2, the outer wall of the stand column 3 is sleeved with a connecting sleeve, the mounting plate 5 is positioned above the anti-collision sleeve 2, the top of the mounting plate 5 is provided with a motor 6, the output end of the top of the motor 6 is provided with a screw 7 through a coupler, the top of the screw 7 is connected with the inner wall of the top of the upright post 3 through a bearing, the inner wall of the right side of the upright post 3 is provided with a chute 8, the chute 8 is internally slidably connected with a lamp box mounting rack 9, the left end of the lamp box mounting rack 9 extends to the outer wall of the left side of the upright post 3, the outer wall of the left side of the upright post 3 is provided with a slot matched with the lamp box mounting rack 9, the motor 6 is started to drive the screw 7 to rotate, the lamp box mounting rack 9 is lifted under the limitation of the chute 8 and the slot by the rotation of the screw 7, the lamp box is convenient for a maintenance worker to mount and, the outer wall of the sliding rod 13 is sleeved with a group of movable blocks 14 and two groups of springs 15, the two groups of springs 15 are positioned at the upper end and the lower end of the movable blocks 14, the two groups of movable blocks 14 at the upper side and the lower side are connected through elastic arches 16, the arc-shaped sections of the elastic arches 16 extend to the outer side of the mounting groove 12, the outer wall of one side opposite to the two groups of elastic arches 16 is fixedly connected, when the anti-collision sleeve 2 is impacted, the two groups of elastic arches 16 are compressed, part of impact force is weakened by elastic force generated by deformation of the elastic arches 16, the two groups of movable blocks 14 at the upper side and the lower side slide on the outer wall of the sliding rod 13 by compression of the elastic arches 16, the impact force is decomposed into component force in the vertical direction, the movable blocks 14 compress the springs 15 when sliding, the elastic force generated by deformation of the springs 15 further weakens the component force in the vertical direction, the anti-, part of the impact force to which the impact sleeve 2 is subjected is resolved.
Referring to fig. 1, grooves 18 are formed in the circumferential outer wall of the anti-collision sleeve 2 in an annular array mode, buffering convex strips 19 are connected in the grooves 18 in a clamped mode, when the buffering convex strips 19 are impacted, deformation of the outer wall of the anti-collision sleeve 2 weakens the impact force on the anti-collision sleeve 2, slots are formed in the portions, located between the two groups of grooves 18, of the outer wall of the anti-collision sleeve 2, LED lamp strips 20 are connected in the slots in a clamped mode, the LED lamp strips 20 emit light at night, and.
Referring to fig. 1, two sets of elastic bows 16 are fixedly connected with spring telescopic rods 17 at the center of the outer wall of the opposite side, the other ends of the two sets of spring telescopic rods 17 are hinged to the outer wall of the connecting sleeve 21 and the inner wall of the anti-collision sleeve 2, the spring telescopic rods 17 are located between the two sets of mounting grooves 12 at the same upper and lower sides, the spring telescopic rods 17 deform when the elastic bows 16 are compressed, the elastic force generated by the deformation of the spring telescopic rods 17 resets the elastic bows 16, and the phenomenon that the deformation cannot rebound due to the overlarge pressure on the elastic.
Referring to fig. 1, a front set of auxiliary rods 10 and a rear set of auxiliary rods 10 are arranged on the left side of the outer wall of the top of the lamp box mounting frame 9, the top of each auxiliary rod 10 is fixedly connected with a sliding block 11, and the front end and the rear end of the outer wall of the left side of the upright post 3 are respectively provided with a movable groove which is connected with the sliding block 11 in a sliding manner, so that the auxiliary supporting effect is achieved, and the stability of the lamp.
Referring to fig. 1, the buffering convex strips 19 are elastic rubber blocks with T-shaped cross sections, and the cross section width of the buffering convex strips 19 extending to one end of the outer wall of the impact sleeve 2 is larger than the width of the grooves 18, so as to increase the protection area of the buffering convex strips 19 on the impact sleeve 2.
Referring to fig. 1, four corners of the outer wall of the top of the mounting base 1 are provided with mounting holes for fixing the mounting base 1 and the upright post 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a traffic signal lamp pole convenient to height-adjusting anticollision, includes mount pad (1), its characterized in that: the anti-collision device is characterized in that an annular groove is formed in the center of the outer wall of the top of the mounting seat (1), an anti-collision sleeve (2) is connected in the annular groove in a sliding mode, a buffer assembly (4) is arranged on the annular array of the inner wall of the periphery of the anti-collision sleeve (2), a stand column (3) is connected to the center of the outer wall of the top of the mounting seat (1) through screws which are screwed, the stand column (3) is located on the inner side of the anti-collision sleeve (2), a connecting sleeve (21) is sleeved on the outer wall of the stand column (3) in a sliding mode, the other end of the buffer assembly (4) is connected with the outer wall of the connecting sleeve (21), four groups of screws are arranged on the annular array of the outer wall of the periphery of the stand column (3), one opposite ends of the four groups of screws extend to the inner cavity of the stand column, the top of the screw rod (7) is connected with the inner wall of the top of the stand column (3) through a bearing, the inner wall of the right side of the stand column (3) is provided with a chute (8), the chute (8) is internally and slidably connected with a lamp box mounting frame (9), the left end of the lamp box mounting frame (9) extends to the outer wall of the left side of the stand column (3), the outer wall of the left side of the stand column (3) is provided with a slot matched with the lamp box mounting frame (9), the buffer component (4) comprises an upper mounting groove and a lower mounting groove (12) which are arranged on the outer wall of a connecting sleeve (21) and the inner wall of an anti-collision sleeve (2), the inner walls of the top and the bottom of the mounting groove (12) are both provided with movable grooves, slide bars (13) are clamped in the two movable grooves, a set of movable blocks (14) and two, the two groups of movable blocks (14) on the upper side and the lower side are connected through an elastic bow (16), the arc-shaped section of the elastic bow (16) extends to the outer side of the mounting groove (12), and the outer walls of the two groups of elastic bows (16) on the opposite sides are fixedly connected.
2. A traffic signal lamp post convenient for height adjustment and anti-collision according to claim 1, characterized in that: outer wall annular array all around of collision sleeve (2) is provided with recess (18), the joint has buffering sand grip (19) in recess (18), just collision sleeve (2) outer wall is located two sets of part between recess (18) is provided with the slot, and the joint has LED lamp area (20) in the slot.
3. A traffic signal lamp post convenient for height adjustment and anti-collision according to claim 1, characterized in that: two sets of the center fixedly connected with spring telescopic link (17) of one side outer wall mutually back on the back of the body elasticity bow (16), it is two sets of the other end of spring telescopic link (17) with respectively with connecting sleeve (21) outer wall and crashproof sleeve (2) inner wall articulated, spring telescopic link (17) are located between two sets of mounting grooves (12) of homonymy from top to bottom.
4. A traffic signal lamp post convenient for height adjustment and anti-collision according to claim 1, characterized in that: two sets of auxiliary rod (10) around lamp house mounting bracket (9) top outer wall left side is provided with, auxiliary rod (10) top fixedly connected with slider (11), both ends all are provided with the activity groove around stand (3) left side outer wall, and activity groove and slider (11) sliding connection.
5. A traffic signal lamp post convenient for height adjustment and anti-collision according to claim 2, characterized in that: the cross section of each buffering convex strip (19) is a T-shaped elastic rubber block, and the cross section width of each buffering convex strip (19) extending to one end of the outer wall of the corresponding anti-collision sleeve (2) is larger than the width of each groove (18).
6. A traffic signal lamp post convenient for height adjustment and anti-collision according to claim 1, characterized in that: four corners of the outer wall of the top of the mounting seat (1) are provided with mounting holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910691726.7A CN112303547A (en) | 2019-07-29 | 2019-07-29 | Traffic signal lamp pole convenient to height-adjusting anticollision |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910691726.7A CN112303547A (en) | 2019-07-29 | 2019-07-29 | Traffic signal lamp pole convenient to height-adjusting anticollision |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112303547A true CN112303547A (en) | 2021-02-02 |
Family
ID=74330184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910691726.7A Pending CN112303547A (en) | 2019-07-29 | 2019-07-29 | Traffic signal lamp pole convenient to height-adjusting anticollision |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112303547A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112687118A (en) * | 2020-12-26 | 2021-04-20 | 台州市斑马交通科技有限公司 | Traffic safety lighting device |
-
2019
- 2019-07-29 CN CN201910691726.7A patent/CN112303547A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112687118A (en) * | 2020-12-26 | 2021-04-20 | 台州市斑马交通科技有限公司 | Traffic safety lighting device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN220228888U (en) | Municipal street lamp with anticollision function | |
CN220038282U (en) | Windproof street lamp | |
CN112303547A (en) | Traffic signal lamp pole convenient to height-adjusting anticollision | |
CN110541361B (en) | Road and bridge construction rail guard | |
CN208577979U (en) | Traffic route airbag restraint column device | |
CN210424762U (en) | Traffic signal lamp pole convenient to height-adjusting anticollision | |
CN208156876U (en) | A kind of traffic lights | |
CN217213966U (en) | Mobile traffic warning traffic light | |
CN219828636U (en) | Protection mechanism for urban illumination street lamp | |
CN210568112U (en) | Light energy wisdom street lamp | |
CN208506984U (en) | A kind of signal lamp secure mounting arrangements on frame signals lamp | |
CN209312226U (en) | It is a kind of be easy to overhaul solar energy and wireless communication traffic lights | |
CN216739350U (en) | Overhead sound barrier with sign | |
CN207424516U (en) | A kind of device for projector protection | |
CN219772824U (en) | Road safety guard rail | |
CN216617144U (en) | Highway subgrade protective structure | |
CN213508047U (en) | Bridge guardrail for expressway | |
CN220849093U (en) | Municipal afforestation isolation fence | |
CN216143656U (en) | Municipal street lamp with anticollision function | |
CN221592469U (en) | Maintenance protector is used in electric power fortune dimension management | |
CN218952975U (en) | Building engineering safety warning guardrail | |
CN216864817U (en) | Bridge buffer stop based on bridge security performance | |
CN220868072U (en) | Anti-collision guardrail for municipal road and bridge design | |
CN221801592U (en) | Vertical bar type all-aluminum high-brightness red-blue explosion flash lamp | |
CN215329535U (en) | Controllable height limiting device for road and bridge traffic |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210202 |